Where does “roostmate” come from?

roostmate (English) comes from English maté, from Middle English mate, from Middle Low German māte, from Old Saxon gimato, from Proto-Germanic gamatjô, from Proto-Germanic ga-, from Proto-Indo-European ḱóm, from Proto-Indo-European ḱe — to bend; curve; arch; vault; to bow, bend, arch,...

roostmate (English): A bird that shares a roost with another

Definitions

  1. A bird that shares a roost with another

Ancestry of “roostmate”, step by step

roostmate traces back through two separate lines of ancestry.

via English maté

StepLanguageWordMeaning
1EnglishmatéAn evergreen tree, Ilex paraquariensis, native to...
2Middle Englishmatemate companion, comrade
3Middle Low Germanmāte
4Old Saxongimato
5Proto-Germanicgamatjô
6Proto-Germanicga-Indicates association or togetherness; co-;...
7Proto-Indo-Europeanḱómbeside, near, by, with
8Proto-Indo-EuropeanḱeDeictic particle, here; Post-positional...
9Middle Englishkyt
10Germankittputty certain kinds of cement used for fixing e.g. window panes
11Old High Germankuti
12Proto-West Germanickwidugum, resin
13Proto-Germanickweduzresin
14Proto-Indo-Europeangʷet-resin, gum; to say, speak
15Proto-Indo-Europeangū-to bend; curve; arch; vault; to bow, bend, arch,...

via English roost

StepLanguageWordMeaning
1EnglishroostThe place where a bird sleeps; A group of birds...
2Middle Englishrosteroost, perch; A roast; a piece of roasted meat;...
3Old Frenchrost
4Old Frenchrostirto roast; to torture by subjecting to fire
5Frankishrōstjanto roast
6Proto-Germanicraustijanąto roast
7Proto-Indo-European*Hrews-
Every word from Proto-Indo-European gū-